Template:Timdal, 1990

• Timdal, E. 1990. Gypsoplacaceae and Gypsoplaca, a new family and genus of squamiform lichens. In Jahns (ed.), Contributions to Lichenology in Honour of A. Henssen. Bibliotheca Lichenologica 38: 419–427. Schweizerbart  
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  • RLL List # 141 / Rec.# 18661 – Recent Literature on Lichens